Vagus nerve afferent and efferent innervation of the rat uterus: An electrophysiological and HRP study
Por:
Ortega-Villalobos M., García-Bazán M., Solano-Flores L.P., Ninomiya-Alarcón J.G., Guevara-Guzmán R., Wayner M.J.
Publicada:
1 ene 1990
Resumen:
To determine a possible brainstem connection with the uterus, a study with electrophysiological techniques and horseradish peroxidase (HRP) tracing was performed in the rat. Neurons of the nucleus of the tractus solitarius decreased in discharge frequency during cervicovaginal distension. HRP injections into the uterine walls resulted in the appearance of labelled cells in the nodose ganglion and in the dorsal motor nucleus of the vagus nerve. The results demonstrate a direct bidirectional vagal complex-uterus connection via the vagus nerve. Results are discussed in terms of a complex uterus control system in which the paraventricular nucleus might play an integrative role. © 1990.
Filiaciones:
Ortega-Villalobos M.:
Departamento de Ciencias Biológicas, Facultad de Estudios Superiores Cuautitlán, Estado de México, Mexico
García-Bazán M.:
Departamento de Fisiología, Facultad Medicina U.N.A.M. Apdo. Postal No. 70-250, 04510 México D.F., Mexico
Solano-Flores L.P.:
Departamento de Fisiología, Facultad Medicina U.N.A.M. Apdo. Postal No. 70-250, 04510 México D.F., Mexico
Ninomiya-Alarcón J.G.:
Departamento de Fisiología, Facultad Medicina U.N.A.M. Apdo. Postal No. 70-250, 04510 México D.F., Mexico
Guevara-Guzmán R.:
Departamento de Fisiología, Facultad Medicina U.N.A.M. Apdo. Postal No. 70-250, 04510 México D.F., Mexico
Wayner M.J.:
Division of Life Sciences, The University of Texas at San Antonio, San Antonio, TX 78285, United States
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